timer: fix time unit mixup in timer_delay()

The local variable was already divided by 1000, and the return value
was being divided by 1000 again - doh!  This caused delays in the
httpd output plugin that were too small by three orders of magnitude,
and the buffer was filled too quickly.

src/timer.c

@@ -81,7 +81,7 @@ timer_delay(const Timer *timer)
 	if (delay > G_MAXINT)
 		delay = G_MAXINT;
 
-	return delay / 1000;
+	return delay;
 }
 
 void timer_sync(Timer *timer)